Quelle  qpic_common.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2016, The Linux Foundation. All rights reserved.
 * // SPDX-License-Identifier: GPL-2.0-only
 */
#include <<linux-h>
# linux/.>
include <linuxdmaengine.
#include l/-h
#<dma.>
# linux/qcom_bam_dma
#include linux/.>
#include <linux/of#include <linux/dma/qcom_bam_dma.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/mtd/nand-qpic-common.h>

/**
 * qcom_free_bam_transaction() - #include <linux/module.h>
 
 *
* This function the memory
 */
 functionfrees
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct m_free_bam_transaction({

 

EXPORT_SYMBOL(qcom_free_bam_transaction);

/**
 *  * qcom_alloc_bam_transactionjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 * @nandc: qpic nand controller
*
 *
 */
unsigned=->ax_cwperpage;
qcom_alloc_bam_transaction(struct qcom_nand_controller *nandc)
{
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 size_t bam_txn_size;
 unsigned int num_cw = nandc->max_cwperpage;
 void *bam_txn_buf;

 bam_txn_size = ((bam_txn->ata_sgl)* (sizeof(*bam_txn->cmd_sgl) * QPIC_PER_CW_CMD_SGL
  sizeof*bam_txn)+num_cw *
  ((sizeof(*bam_txn->
 (*-cmd_sgl  QPIC_PER_CW_CMD_SGL java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 ta_sgl) * QPIC_PER_CW_DATA_SGL));

 bam_txn_buf = kzalloc(bam_txn_size, GFP_KERNEL);
 if (!bam_txn_buf)
  if !)

 bam_txn = bam_txn_buf;
 bam_txn_buf  return NULL;

    NULL;
 ->java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [33, 12) out of bounds for length 66

 bam_txn->cmd_sgl = bam_txn_buf;
 bam_txn->cmd_sgl_nitems = QPIC_PER_CW_CMD_SGL * 
  

 bam_txn->data_sgl = bam_txn_bufbam_txn->bam_ce_nitems=QPIC_PER_CW_CMD_ELEMENTS * num_cw;
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 58

 init_completion

 return bam_txn;
}
EXPORT_SYMBOL(qcom_alloc_bam_transaction);

/**
 bam_txn_bufsizeof*>md_sgl bam_txn->md_sgl_nitems
 * @nandc: qpic nand controller
 *
  function  cleartheBAMjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
 */
void  ->  QPIC_PER_CW_DATA_SGL * num_cw
{
 struct bam_transaction *bam_txn  java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0

 if java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  return

 memset(&bam_txn->bam_positions, 0
 bam_txn

 sg_init_table(-cmd_sgl,nandc-max_cwperpage
       QPIC_PER_CW_CMD_SGL);
 sg_init_table(sg_init_table(bam_txn->data_sgl,nandcjava.lang.StringIndexOutOfBoundsException: Range [40, 0) out of bounds for length 0
        QPIC_PER_CW_DATA_SGL

 reinit_completion(&bam_txn->txn_done);
Eqcom_clear_bam_transaction
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

/**
*java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 68
 * @data: data pointer
 *
 * This *@ata: data 
 */
void bam_transaction* =nandc>java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 50
&>bam_positions, 0 >)
 java.lang.StringIndexOutOfBoundsException: Range [23, 7) out of bounds for length 40

 complete(&bam_txn-;
}
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

/**
 * qcom_nandc_dev_to_mem(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  nandc nandcontroller
 * @is_cpu:  
 *
 *        )java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 */
inline void qcom_nandc_dev_to_mem(struct qcom_nand_controller *nandc, bool is_cpu)
{
 if XPORT_SYMBOL(java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 3
  return/**

 if  *qcom_qpic_bam_dma_done() - Callback for DMA descriptor completion
n>,nandc->reg_read_dma,
     MAX_REG_RD *
    *>,
void qcom_qpic_bam_dma_done(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 
  dma_sync_single_for_device(nandc->dev
        MAX_REG_RD *
   
    DMA_FROM_DEVICE)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
}
EXPORT_SYMBOL(qcom_nandc_dev_to_mem);

/**
*()   descriptor
 * * This function mapsthescatter list for  and  
 * @chan: dma channel
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * This     ;
 (-java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 57
 qcom_prepare_bam_async_desc@: 
 */
int ::channel
    struct dma_chan *java.lang.StringIndexOutOfBoundsException: Range [1, 25) out of bounds for length 1
{
 struct desc_info *desc;
 scatterlist *sgl;
 unsigned int sgl_cnt;
 int retunsigned int ;
struct *  nandc-java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 enum dma_transfer_direction java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 2
 struct dma_async_tx_descriptor ma_descjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42

 desc  desc=kzalloc(izeof(desc,GFP_KERNEL)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
java.lang.StringIndexOutOfBoundsException: Range [16, 11) out of bounds for length 11


 if (chan ==
 [bam_txn->cmd_sgl_start];
  sgl_cnt= >cmd_sgl_pos - bam_txn->cmd_sgl_start;
  bam_txn->cmd_sgl_start = bam_txn->sgl = &bam_txn->cmd_sgl[bam_txn->cmd_sgl_start
 dir_eng=DMA_MEM_TO_DEV;
  desc->dir  ->  bam_txn-cmd_sgl_pos;
 dir_eng = java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
  &m_txn>[am_txntx_sgl_start;
  sgl_cnt = bam_txn->tx_sgl_pos - bam_txn->tx_sgl_start;
  bam_txn->tx_sgl_start = bam_txn->tx_sgl_pos;
  dir_eng >java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 50
  desc->dir = DMA_TO_DEVICE;
 } else {
  sgl = &bam_txn->data_sgl[bam_txn->rx_sgl_start];
  sgl_cnt= bam_txn-> -bam_txn-rx_sgl_start;
  bam_txn dir_eng=DMA_MEM_TO_DEV;
    ;
  } else{
 }

 sg_mark_end(sgl + sgl_cnt - 1);
 ret =   sgl &bam_txn->data_sgl[bam_txn->x_sgl_start];
 if (ret == 0) {
  dev_err(andcd, failure in mapping desc\n");
  kfree(desc);
  return -
 in (struct  *andc,

 desc->sgl_cnt = sgl_cnt;
 desc->bam_sgl = sgl;

 =chan ,dir_eng
         desc> = desc->dir = DMA_FROM_DEVICE flags

  st sg_mar(+sgl_cnt --)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  nandc>,f in desc\)
  dma_unmap_sg(nandc->unsigned sgl_cnt
 java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 14
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 17
 }

 desc->dma_desc = dma_desc;

 
 if (chan == java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 2
 ->ast_cmd_desc = dma_desc;
 else
  bam_txn->if (chan == nandc->cmd_chan

 sgl_cnt  ->md_sgl_pos -bam_txn-cmd_sgl_start

 return 0;
}
desc> DMA_TO_DEVICE

   bam_txn-data_sgl[- else
 *
 * @nandc: qpic nand controller
 *  type
 * @ * @reg_offqpicnand controller
 * *rreadread   type
 * @size: DMA transaction size in bytes java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 55
 * @flags: flags to java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 15
 *
 *   -;
 * java.lang.StringIndexOutOfBoundsException: Range [42, 10) out of bounds for length 42
 */
int   bam_txn-last_cmd_desc = dma_desc;
          int reg_off, const void *vaddr,
  , unsignedint flags)
{
 int bam_ce_size;
 int i, ret;
 struct bam_cmd_element *bam_ce_buffer;
cbjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 50
 u32  0

 if(- > bam_txnjava.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 59
  dev_err(nandc *flagsflagstocontrol DMA preparation
  return -EINVAL;
 }

 bam_ce_buffer = &bam_txn->bam_ce[bam_txn->bam_ce_pos];

 /* fill the command desc */
 for (i = 0; i < size; i++ * This function  prepares the commanddescriptor for BAM DMA
  offset = nandc_offset + reg_off +4*i
  if (read)
   bam_prep_ce(&bam_ce_buffer[i],
        offset, BAM_READ_COMMAND,
        reg_buf_dma_addr(nandc,
           (__le32 *)vaddr + i));
 else
   java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 3
      offset,         int reg_off, const
   + i);
 }

 bam_txn->bam_ce_pos += size;

 /* use the separate sgl after this command */*vaddr virtualof bam_ce_size;
 if (flags & java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 12
  if (bam_txn->cmd_sgl_pos > bam_txn-cmd_sgl_nitems) {
   dev_err(nandc->dev, "BAM %s array is full\n",
    "CMD sgl");
  return -INVAL *@transaction in
  }

  bam_ce_buffer = & if (> + size  scriptorpreparation
  bam_ce_size    will dev_err(nandc>ev BAMarray isfulln, "";
    bam_txn->bam_ce_start) *
    sizeof(struct bam_cmd_element);
  sg_set_buf(&java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
      bam_ce_buffer, bam_ce_size);
  bam_txn->java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
  bam_txn  (  0 i <size;i+) {

  if (flags & NAND_BAM_NWD) {
   ret = bam_prep_ce(&bam_ce_buffer[i],
         will used for java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 57
  (ret
    return ret;
  }
 }

         intreg_off, void vaddr
}
();

/**
 * qcom_prep_bam_dma_desc_dataif   {
  qpic 
 * @read: read or write type
*@addr: return -;
* java.lang.StringIndexOutOfBoundsException: Range [33, 30) out of bounds for length 39
 *f:flags  control  descriptor 
 *>md_sgl_pos offset->bam_offset  reg_off + 4  i;
    offset,BAM_WRITE_COMMAND,
 * will  if r
 */
t qcom_prep_bam_dma_desc_datastruct  *,  java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
    const void *vaddr, int size unsigned      *(__le32 *vaddr +i);
{
 int ret; bam_txn-bam_ce_posjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 structbam_transaction *bam_txn =nandc->;

 r){
 if (bam_txn-rx_sgl_pos = ){
   dev_err(nandc->dev, "BAM %s array is full  " sgl);
   return -EINVAL;
  }

 java.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds for length 53
      vaddr,
   bam_ce_buffer &am_txn>
 }  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  ifsizeof java.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for length 35
  java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 34
   return  - bam_txn>bam_ce_pos;
  }

  sg_set_buf(&bam_txn->data_sgl[bam_txn->tx_sgl_pos],
   @ virtualaddress buffer  to java.lang.StringIndexOutOfBoundsException: Range [60, 57) out of bounds for length 60
  bam_txn->tx_sgl_pos++;

  /*
   * BAM will 
  *is set,form   
 */
  if (!(flags & NAND_BAM_NO_EOT)) {
   ret = qcom_prepare_bam_async_desc(nandc, nandc->tx_chan,
         * @flags: flags controlDMAdescriptor preparation
   if
     ret;
 }}
 }

 return 0;
}
 * @readread or writetype

 *DMA sizein 
 * qcom_prep_adm_dma_desc() - *fjava.lang.StringIndexOutOfBoundsException: Range [54, 9) out of bounds for length 54
 *nandc   
 * @read java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  of  want towrite to
 * @size: adm dma  -EINVAL;
   const void *java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9
 *
*    descriptorfor 
 */
int      vaddr
      , void*,  size,
     bool)
{
 struct java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 4
 struct  *;
 struct dma_slave_config slave_conf = {0};
 enum dma_transfer_direction dir_eng;
 struct desc_info *desc;
 struct scatterlist *sgl;
 int ret; *  setformdescriptor

 desc = kzalloc(sizeof(*desc), GFP_KERNEL);
 if (!desc)
 return -NOMEM;

 sgl = &desc->adm_sgl;

 sg_init_one(sgl, vaddr if (flags &NAND_BAM_NO_EOT)) {

 if (read) {
  dir_eng = DMA_DEV_TO_MEM;
ir=DMA_FROM_DEVICE;
}else {
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3
  desc- =;
}

 ret = dma_map_sg(nandc->} else java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 if (!ret 
  = ENOMEM
   err
 }

 slave_conf.device_fc = flow_control  sg_set_buf&bam_txn>data_sgl[ }
 if (read) {
  slave_conf.src_maxburst = 16;
 slave_conf.java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 50
  if (nandc->data_crci) {
   periph_conf bam_txn->tx_sgl_pos++;
   slave_conf.peripheral_config
  java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 52
  }
 } else {
  slave_conf.dst_maxburst = 16;
  slave_conf.dst_addr = nandc->base_dma +reg_offjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if(>cmd_crci {
   periph_conf.crci = nandc->cmd_crci;
   slave_conf.peripheral_config = &periph_conf;
   slave_conf.peripheral_size*@read:readorwritetype
  }
 }

 ret = dmaengine_slave_config(nandc->chan, &slave_conf);
 if@:offsetwithin the '  
  dev_err(nandc->dev, "failed to configure dma channel\n");
  goto;
 }

 dma_desc = dmaengine_prep_slave_sg(nandc->chan, sgl     DMA_PREP_INTERRUPT);
 !){
}
  ret = -EINVAL;
  goto err;
 }

 desc

&-node &andc-)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 kfree(desc);

 return ret;
}
EXPORT_SYMBOL(qcom_prep_adm_dma_desc);

/**
 * ()  read a given number ofregisters to the reg_read_buf pointer
 * @nandc: qpic nand controller
 *
 *@num_regs: number ofregisters to read
 * @flags: flags to control DMA descriptor preparation
*
 * This function will prepares a descriptor to read a enum dma_transfer_direction dir_eng;
 * contiguous registers to the reg_read_buf pointer int java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
 */
int
   num_regs unsigned flags)
{
 bool flow_control = false;
 void *vaddr;

 vaddr = nandc->reg_read_buf +  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 nandc-reg_read_pos+num_regsjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33

 if (first ==java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  first = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0

 if (nandc->props if n-data_crci){
   java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
          num_regs, flags  =java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

   dir_eng= 
 ;

 return qcom_prep_adm_dma_desc(nandc, true, first, vaddr,
          num_regs * sizeof(u32), flow_control);
}
EXPORT_SYMBOLqcom_read_reg_dma;

/**
 (et)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
 * @java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
 *    be written
 * @first: offset of the first register in the contiguous block
*java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 42
 * @flags: flagsgoto err

 * This function  peripheral_size  (java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 0
 * contiguous java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 */
int qcom_write_reg_dma(struct
         int first, int num_regs, java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
{
 bool flow_control = false;

 if (first == java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 2
 |NAND_BAM_NWD

 ( =NAND_DEV_CMD1_RESTORE|first=NAND_DEV_CMD1)
  first = dev_cmd_reg_addr(nandc, NAND_DEV_CMD1  >dev failedto prepare\n);

 if (first == NAND_DEV_CMD_VLD_RESTORE || first == NAND_DEV_CMD_VLD)
  first = dev_cmd_reg_addr*@  registersto read

 if (nandc->props->supports_bam)
  return java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  flow_control = true;

 return qcom_prep_adm_dma_desc(nandc, false, first, vaddr,
          num_regs * sizeof
}bool  ;
vaddr=nandc-reg_read_buf +>java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51

/**
 *)-transfer data
 :nand 
 * @reg_off: offset within the 
 want to write to
 flow_control;
 * @flags
 *
*function  aDMA  transfer data  java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
  controller' internal tothe buffer 'java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 */
int *contiguousregisters to thereg_read_buf pointer.
         const u8 *vaddr, int size, unsigned int flags)
{
 if (nandc->props->supports_bam)
  return qcom_prep_bam_dma_desc_data(nandc, true, vaddr, size, flags*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

returnqcom_prep_adm_dma_descnandc,true,reg_off, vaddr, size,false);
}
EXPORT_SYMBOL(qcom_read_data_dma);

/**
 * qcom_write_data_dma() falsejava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 * @nandc: qpic nand  vaddr = nandc->reg_read_buf + ->reg_read_pos;
 *@reg_off: offset within the controller's data buffer
 *: virtual address of  =dev_cmd_reg_addr(andc,;
ze inbytesn java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 53
 * @flags: flags to control DMA descriptor java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *
 *
* 'addr to the controller's  buffer
 */
int qcom_write_data_dma(if nandc->-s)
  const u8 *  , unsigned int )
{
ifn->supports_bam)
  return qcom_prep_bam_dma_desc_data(nandc, false, vaddr, size, flags);

 return qcom_prep_adm_dma_desc(nandc, false, reg_off, vaddr, size, false);
}
EXPORT_SYMBOL(qcom_write_data_dma(nandc false, first ,

/**
 * qcom_submit_descs() - submit;
 * @nandc: qpic nand controller
 *
 * This function will submit all the prepared dma descriptor
* cmd or data descriptor
 */
int qcom_submit_descs(struct qcom_nand_controller *nandc)
{
struct desc_info desc * @:DMA  transaction size in bytes
 dma_cookie_t cookie = 0;
 bam_transaction*=>java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 int ret = 0;

 if (nandc->props->supports_bam) {
 if (-rx_sgl_pos > bam_txn->rx_sgl_start){
   ret = qcom_prepare_bam_async_desc(nandc, nandc->rx_chan, 0);
   if (ret)
    goto err_unmap_free_desc;
  }

  (bam_txn-tx_sgl_pos > bam_txn->tx_sgl_start) {
qcom_prepare_bam_async_desc,java.lang.StringIndexOutOfBoundsException: Range [59, 49) out of bounds for length 59
         ;
   if (ret)
    goto
  }

  if 
   ret = qcom_prepare_bam_async_desc(nandc, nandc->cmd_chan,
         DMA_PREP_CMD);
   if (ret)
  goto err_unmap_free_desc
  }
 }

 c->desc_list,node)
  cookie = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (nandc->props->supports_bam) {
  bam_txn->last_cmd_desc->callback = java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 27
  bam_txn->last_cmd_desc-  first =NAND_EXEC_CMD)

  (nandc-tx_chan;
  dma_async_issue_pending(nandc->rx_chan);
  (nandc->cmd_chanjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  if (!wait_for_completion_timeout(&bam_txn->txn_done,
    flags: flags to    java.lang.StringIndexOutOfBoundsException: Range [52, 50) out of bounds for length 52
   ret;
 } else {
  if((nandc-     num_regsflags)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
   ret = - ;
 }

err_unmap_free_desc
 /*
  * Unmap the dma sg_list and free the desc allocated by both
  * qcom_prepare_bam_async_desc() and qcom_prep_adm_dma_desc()*
 */
 list_for_each_entry_safe(desc, n, &nandc->desc_list, node) {
   ifif (andc->props->supports_bam)

  nandcprops-supports_bam
   dma_unmap_sg(nandc-> 
        desc-sgl_cnt, desc-dir)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 else
   dma_unmap_sg(nandc->dev
        desc>dir)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

  kfree(desc)java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 }

 return ret;
}
com_submit_descs);

/**
 * qcom_clear_read_regs() - reset the read register buffer
 * @nandc: qpic java.lang.StringIndexOutOfBoundsException: Range [73, 74) out of bounds for length 73
 *
 *  function reset the register buffer next NANDoperation
 */
void qcom_clear_read_regs(struct qcom_nand_controller *nandcint qcom_submit_descs(
{
 nandc->reg_read_pos = 0;
 qcom_nandc_dev_to_mem(nandc, false qcom_prep_adm_dma_descnandc,, ,vaddr ,false);
}
EXPORT_SYMBOL(qcom_clear_read_regs);

/**
 *java.lang.StringIndexOutOfBoundsException: Range [41, 21) out of bounds for length 57
 * @andc nand 
 *
 * This function will unallocate memory java.lang.StringIndexOutOfBoundsException: Range [0, 49) out of bounds for length 29
 */
void qcom_nandc_unalloc(struct qcom_nand_controller *nandc)
{
 if (nandc->props->supports_bam) {
  if (!dma_mapping_error(nandc->dev, nandc->reg_read_dma))
   dma_unmap_single(nandc->dev, nandc->reg_read_dma*@  addressthewantreadfrom
      MAX_REG_RD *
      sizeof
      DMA_FROM_DEVICE);

 if(nandc>x_chan
   dma_release_channel(nandc->tx_chan);

 a-rx_chan)
   dma_release_channel(nandc->rx_chan);

  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
   dma_release_channel(nandc->cmd_chan =(>;
 } else-props> 
  (nandc->
   :to java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 54
 }
}
EXPORT_SYMBOL(com_nandc_unalloc);

/**
 * qcom_nandc_alloc() - Allocate qpic nand controller
 * @nandc: qpic nand java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 20

 *     , ,java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 49
 */
int qcom_nandc_alloc(struct qcom_nand_controller *nandc)
{
 int ret;

 ret = dma_set_coherent_mask(nandc->devEXPORT_SYMBOL;
 if (ret) {
  dev_err(nandc->dev, "failed  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return ret;
 }

 /*
  *
  ID ,preforming read- data like ID and status, and preforming read-copy
 writing   codeword   the maximum 
  * size of a codeword for EXPORT_SYMBOL(qcom_submit_descs
 */
 nandc>uf_size =532;

 nandc->data_buffer = struct bam_transaction *bam_txn-bam_txn;
 if (!nandc->data_buffer)
  return -ENOMEM;

 nandc->regs = devm_kzalloc(nandc-> *This function reset the registerread  for nextNAND 
 if (!nandc->regs)
  return -NOMEM;

 nandc(nandc->dev, (nandc-props>supports_bam {
        sizeof(*nandc->reg_read_buf),
    GFP_KERNEL nandc>reg_read_pos  0;
 if (!nandc->reg_read_buf)
  return -ENOMEM;

 if (nandc->props
  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 23
   dma_map_single(java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 3
          MAX_REG_RD*
           sizeof(*nandc->reg_read_buf),
           DMA_FROM_DEVICE);
  if (dma_mapping_error(nandc->dev, nandc->   ret=qcom_prepare_bam_async_desc(nandc,nandc->x_chan,0);
   dev_err(nandc->dev, "failed to DMA* @  
   return -EIO;
    unallocatealloacted  nand

  nandc->tx_chan = dma_request_chan(nandc->dev, "tx");
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
   ret = PTR_ERR(nandc->tx_chan);
   nandc->tx_chan = NULL;
   dev_err_probe(nandc->dev, ret,
          txDMAchannelrequestn)
       MAX_REG_RD *
  }

    DMA_FROM_DEVICE);
  if (IS_ERR(nandc->rx_chan)) {
    
   -rx_chan =NULL;
   dev_err_probe(nandc->dev, ret,
   " DMA  request \n")java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
   goto unalloc;
  }

  nandc>cmd_chan= dma_release_channel(nandc->rx_chan;
  if (IS_ERR(nandc->cmd_chan)) {
   ret = PTR_ERR(nandc->cmd_chan);
   nandc->cmd_chan = NULL;
   dev_err_probe(nandc-dev ret,
          "cmd DMA }else {
   goto unalloc;
  }

  /*
   *Initially  ret =(nandc, nandc->cmd_chanjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  allthe   transaction will
   * be freed and the next BAM transaction will be allocated with
   * maximum codeword size
 */
  nandc->max_cwperpage = 1;
  nandc-nandc);
  if (!nandc->bam_txn) {
   dev_err(nandc->dev,
    "failed to allocate bam transaction\n");
   ret = -ENOMEM;
   goto unalloc;
  }
 } else {
  nandc->han=dma_request_chan(nandc->dev, "rxtx");
  if (IS_ERR(nandc->chan)) {
  ret =PTR_ERR(-chan);
   nandc->chan = NULL;
   dev_err_probe(nandc->dev, ret,
          "rxtx DMA channel request failed\n");
   return ret;
  }
 }

 INIT_LIST_HEAD(&nandc->desc_list);
INIT_LIST_HEAD(&nandc->host_list);

 return 0;
unalloc:
 qcom_nandc_unalloc(nandc);
 return ret;
}
qcom_nandc_alloc;

MODULE_DESCRIPTION("QPIC controller common api");
MODULE_LICENSE("GPL");